// SPDX-License-Identifier: GPL-2.0-only /* * wm8995.c -- WM8995 ALSA SoC Audio driver * * Copyright 2010 Wolfson Microelectronics plc * * Author: Dimitris Papastamos <[email protected]> * * Based on wm8994.c and wm_hubs.c by Mark Brown */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/spi/spi.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/initval.h> #include <sound/tlv.h> #include "wm8995.h" #define WM8995_NUM_SUPPLIES … static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = …; static const struct reg_default wm8995_reg_defaults[] = …; struct fll_config { … }; struct wm8995_priv { … }; /* * We can't use the same notifier block for more than one supply and * there's no way I can see to get from a callback to the caller * except container_of(). */ #define WM8995_REGULATOR_EVENT(n) … WM8995_REGULATOR_EVENT(…) WM8995_REGULATOR_EVENT(…) WM8995_REGULATOR_EVENT(…) WM8995_REGULATOR_EVENT(…) WM8995_REGULATOR_EVENT(…) WM8995_REGULATOR_EVENT(…) WM8995_REGULATOR_EVENT(…) WM8995_REGULATOR_EVENT(…) static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0); static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0); static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0); static const char *in1l_text[] = …; static SOC_ENUM_SINGLE_DECL(in1l_enum, WM8995_LEFT_LINE_INPUT_CONTROL, 2, in1l_text); static const char *in1r_text[] = …; static SOC_ENUM_SINGLE_DECL(in1r_enum, WM8995_LEFT_LINE_INPUT_CONTROL, 0, in1r_text); static const char *dmic_src_text[] = …; static SOC_ENUM_SINGLE_DECL(dmic_src1_enum, WM8995_POWER_MANAGEMENT_5, 8, dmic_src_text); static SOC_ENUM_SINGLE_DECL(dmic_src2_enum, WM8995_POWER_MANAGEMENT_5, 6, dmic_src_text); static const struct snd_kcontrol_new wm8995_snd_controls[] = …; static void wm8995_update_class_w(struct snd_soc_component *component) { … } static int check_clk_sys(struct snd_soc_dapm_widget *source, struct snd_soc_dapm_widget *sink) { … } static int wm8995_put_class_w(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int hp_supply_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static void dc_servo_cmd(struct snd_soc_component *component, unsigned int reg, unsigned int val, unsigned int mask) { … } static int hp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static int configure_aif_clock(struct snd_soc_component *component, int aif) { … } static int configure_clock(struct snd_soc_component *component) { … } static int clk_sys_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const char *sidetone_text[] = …; static SOC_ENUM_SINGLE_DECL(sidetone1_enum, WM8995_SIDETONE, 0, sidetone_text); static const struct snd_kcontrol_new sidetone1_mux = …; static SOC_ENUM_SINGLE_DECL(sidetone2_enum, WM8995_SIDETONE, 1, sidetone_text); static const struct snd_kcontrol_new sidetone2_mux = …; static const struct snd_kcontrol_new aif1adc1l_mix[] = …; static const struct snd_kcontrol_new aif1adc1r_mix[] = …; static const struct snd_kcontrol_new aif1adc2l_mix[] = …; static const struct snd_kcontrol_new aif1adc2r_mix[] = …; static const struct snd_kcontrol_new dac1l_mix[] = …; static const struct snd_kcontrol_new dac1r_mix[] = …; static const struct snd_kcontrol_new aif2dac2l_mix[] = …; static const struct snd_kcontrol_new aif2dac2r_mix[] = …; static const struct snd_kcontrol_new in1l_pga = …; static const struct snd_kcontrol_new in1r_pga = …; static const char *adc_mux_text[] = …; static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text); static const struct snd_kcontrol_new adcl_mux = …; static const struct snd_kcontrol_new adcr_mux = …; static const char *spk_src_text[] = …; static SOC_ENUM_SINGLE_DECL(spk1l_src_enum, WM8995_LEFT_PDM_SPEAKER_1, 0, spk_src_text); static SOC_ENUM_SINGLE_DECL(spk1r_src_enum, WM8995_RIGHT_PDM_SPEAKER_1, 0, spk_src_text); static SOC_ENUM_SINGLE_DECL(spk2l_src_enum, WM8995_LEFT_PDM_SPEAKER_2, 0, spk_src_text); static SOC_ENUM_SINGLE_DECL(spk2r_src_enum, WM8995_RIGHT_PDM_SPEAKER_2, 0, spk_src_text); static const struct snd_kcontrol_new spk1l_mux = …; static const struct snd_kcontrol_new spk1r_mux = …; static const struct snd_kcontrol_new spk2l_mux = …; static const struct snd_kcontrol_new spk2r_mux = …; static const struct snd_soc_dapm_widget wm8995_dapm_widgets[] = …; static const struct snd_soc_dapm_route wm8995_intercon[] = …; static bool wm8995_readable(struct device *dev, unsigned int reg) { … } static bool wm8995_volatile(struct device *dev, unsigned int reg) { … } static int wm8995_aif_mute(struct snd_soc_dai *dai, int mute, int direction) { … } static int wm8995_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { … } static const int srs[] = …; static const int fs_ratios[] = …; static const int bclk_divs[] = …; static int wm8995_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int wm8995_set_tristate(struct snd_soc_dai *codec_dai, int tristate) { … } /* The size in bits of the FLL divide multiplied by 10 * to allow rounding later */ #define FIXED_FLL_SIZE … struct fll_div { … }; static int wm8995_get_fll_config(struct fll_div *fll, int freq_in, int freq_out) { … } static int wm8995_set_fll(struct snd_soc_dai *dai, int id, int src, unsigned int freq_in, unsigned int freq_out) { … } static int wm8995_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int wm8995_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } static int wm8995_probe(struct snd_soc_component *component) { … } #define WM8995_FORMATS … static const struct snd_soc_dai_ops wm8995_aif1_dai_ops = …; static const struct snd_soc_dai_ops wm8995_aif2_dai_ops = …; static const struct snd_soc_dai_ops wm8995_aif3_dai_ops = …; static struct snd_soc_dai_driver wm8995_dai[] = …; static const struct snd_soc_component_driver soc_component_dev_wm8995 = …; static const struct regmap_config wm8995_regmap = …; #if defined(CONFIG_SPI_MASTER) static int wm8995_spi_probe(struct spi_device *spi) { … } static struct spi_driver wm8995_spi_driver = …; #endif #if IS_ENABLED(CONFIG_I2C) static int wm8995_i2c_probe(struct i2c_client *i2c) { … } static const struct i2c_device_id wm8995_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, wm8995_i2c_id); static struct i2c_driver wm8995_i2c_driver = …; #endif static int __init wm8995_modinit(void) { … } module_init(…) …; static void __exit wm8995_exit(void) { … } module_exit(wm8995_exit); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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